Finding the Fourth Proportional to 9,329.31, 12,874.22 and 5,296.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,329.31 : 12,874.22 = 5,296.89 : x
2. Step 2: Convert to fraction form
   9,329.31/12,874.22 = 5,296.89/x
3. Step 3: Cross multiply
   9,329.31x = 12,874.22 × 5,296.89
4. Step 4: Simplify right side
   9,329.31x = 68,193,300.69
5. Step 5: Solve for x
   x = 68,193,300.69/9,329.31
6. Step 6: Final answer
   x = 7,309.58